In <198A730C2044DE4A96749D13E167AD375A2AB9@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> "Hallam-Baker, Phillip" <pbaker@xxxxxxxxxxxx> writes: > [PHB brainstorms about a new protocol...] > > The main objection to prefixed records is that they do not work with > wildcards. This is actually a failure of imagination rather than fact. > It is quite possible to develop a resolution procedure for prefix > records that works acceptably with legacy DNS resolvers and meets the > needs of network admins. > > [...] > > The way to do this is to introduce a pointer record using CNAME as > follows: > > _prefix.exists.example.com TXT "Policy1" > *.example.com CNAME _wildcard.example.com > _prefix._wildcard.example.com TXT "Policy2" I don't believe this will work since CNAMEs have to be the only thing in a given node, and so a wildcard CNAME would conflict with all other wildcard usage, such as wildcard MX records. -wayne _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf